/* 
 * Copyright (C) 2008 OpenIntents.org
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.openintents.util;

import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.view.Menu;
import android.view.MenuItem;

import java.util.List;

/**
 * Adds intent options with icons.
 * <p>
 * This code is retrieved from this message:
 * http://groups.google.com/group/android-developers/browse_frm/thread/3fed25cdda765b02
 */
public class MenuIntentOptionsWithIcons {

    Context mContext;
    Menu mMenu;

    public MenuIntentOptionsWithIcons(Context context, Menu menu) {
        mContext = context;
        mMenu = menu;
    }

    public int addIntentOptions(int group, int id, int categoryOrder,
                                ComponentName caller, Intent[] specifics, Intent intent, int flags,
                                MenuItem[] outSpecificItems) {
        PackageManager pm = mContext.getPackageManager();
        final List<ResolveInfo> lri = pm.queryIntentActivityOptions(caller,
                specifics, intent, 0);
        final int N = lri != null ? lri.size() : 0;
        if ((flags & Menu.FLAG_APPEND_TO_GROUP) == 0) {
            mMenu.removeGroup(group);
        }
        for (int i = 0; i < N; i++) {
            final ResolveInfo ri = lri.get(i);
            Intent rintent = new Intent(ri.specificIndex < 0 ? intent
                    : specifics[ri.specificIndex]);
            rintent.setComponent(new ComponentName(
                    ri.activityInfo.applicationInfo.packageName,
                    ri.activityInfo.name));
            final MenuItem item = mMenu.add(group, id, categoryOrder,
                    ri.loadLabel(pm)).setIcon(ri.loadIcon(pm)).setIntent(
                    rintent);
            if (outSpecificItems != null && ri.specificIndex >= 0) {
                outSpecificItems[ri.specificIndex] = item;
            }
        }
        return N;
    }
}
